| Competition | City | Date | Roles |
|---|
| 1 | Western Section Championships 2023 | Hiroshima | 2023-10-25 | Referee (Senior ladies, Junior men)
|
| 2 | Kinki Regional Championships 2023 | Otsu | 2023-09-29 | Controller (Senior ladies, Junior men, Advanced novice girls, Advanced novice boys, Intermediate novice boys)
|
| 3 | Japan Championships 2022 | Kadoma | 2022-12-22 | Judge (Senior ladies, Senior ice dance) |
| 4 | Western Section Championships 2022 | Kyoto | 2022-10-27 | Referee (Senior ladies, Junior men)
|
| 5 | Japan Novice Championships 2022 | Sapporo | 2022-10-21 | Referee (Advanced novice boys, Intermediate novice girls)
|
| 6 | Kinki Regional Championships 2022 | Amagasaki | 2022-10-08 | Controller (Senior ladies, Junior men, Advanced novice boys, Intermediate novice girls, Intermediate novice boys)
|
| 7 | Chu-Shikoku-Kyushu Regional Championships 2022 | Okayama | 2022-09-30 | Referee (Senior men, Junior men, Advanced novice girls, Intermediate novice boys, Intermediate novice girls)
|
| 8 | Japan Championships 2021 | Saitama | 2021-12-22 | Judge (Senior men) |
| 9 | Japan Novice Championships 2021 | Otsu, Shiga | 2021-10-24 | Referee (Advanced novice girls, Intermediate novice boys)
|
| 10 | Kinki Regional Championships 2021 | Kyoto | 2021-10-07 | Referee (Senior ladies, Junior men, Advanced novice boys, Intermediate novice girls, Intermediate novice boys)
|
| 11 | Tohoku-Hokkaido Regional Championships 2021 | Sapporo | 2021-10-01 | Controller (Junior ladies, Advanced novice boys, Advanced novice girls)
|
| 12 | Japan Championships 2020 | Nagano | 2020-12-24 | Judge (Senior ladies) |
| 13 | Western Section Championships 2020 | Kyoto | 2020-10-30 | Referee (Senior men, Junior ladies)
|
| 14 | Japan Novice Championships 2020 | Gunma | 2020-10-24 | Controller (Advanced novice girls, Intermediate novice boys)
Judge (Novice ice dance) |
| 15 | Kinki Regional Championships 2020 | Osaka | 2020-10-02 | Referee (Senior ladies, Junior men, Advanced novice boys, Intermediate novice girls, Intermediate novice boys)
|
| 16 | Japan Championships 2019 | Tokyo | 2019-12-18 | Judge (Senior ladies, Senior ice dance) |
| 17 | Eastern Section Championships 2019 | Nagano | 2019-10-24 | Judge (Senior ladies, Junior men) |
| 18 | Kinki Regional Championships 2019 | Shiga | 2019-10-03 | Judge (Junior ladies, Advanced novice girls, Advanced novice boys) |
| 19 | Tohoku-Hokkaido Regional Championships 2019 | Hachinohe Aomori | 2019-09-20 | Referee (Senior ladies, Senior men, Junior men, Intermediate novice boys, Intermediate novice girls)
|
| 20 | Japan Championships 2018 | Osaka | 2018-12-20 | Judge (Senior ladies, Senior pairs) |
| 21 | Eastern Section Championships 2018 | Hachinohe | 2018-10-25 | Referee (Senior ladies, Junior men, Junior pairs)
|
| 22 | Kinki Regional Championships 2018 | Osaka | 2018-10-05 | Controller (Senior ladies, Senior men, Junior men, Basic novice B girls, Basic novice B boys)
|
| 23 | Tohoku-Hokkaido Regional Championships 2018 | Sapporo | 2018-09-21 | Referee (Junior ladies, Advanced novice boys, Advanced novice girls)
|
| 24 | Japan Championships 2017 | Tokyo | 2017-12-19 | Judge (Senior ladies) |
| 25 | Eastern Section Championships 2017 | Yamanashi | 2017-10-26 | Controller (Senior ladies, Junior men)
|
| 26 | Tokyo Regional Championships 2017 | Tokyo | 2017-09-21 | Judge (Senior ladies, Junior men, Advanced novice boys, Basic novice B girls) |
| 27 | Japan Championships 2016 | Osaka | 2016-12-22 | Judge (Senior ladies) |
| 28 | Western Section Championships 2016 | Kyoto | 2016-10-28 | Controller (Senior ladies, Junior men)
|
| 29 | Tokyo Regional Championships 2016 | Tokyo | 2016-09-23 | Controller (Senior men, Junior ladies, Advanced novice girls, Basic novice B boys)
|
| 30 | Japan Championships 2015 | Hokkaido | 2015-12-24 | Judge (Senior men) |
| 31 | Shu-Shikoku-Kyushu Regional Championships 2015 | Okayama | 2015-10-01 | Controller (Senior ladies, Senior men, Advanced novice boys, Basic novice B girls, Basic novice B boys)
|
| 32 | Japan Championships 2014 | Nagano | 2014-12-25 | Judge (Senior ladies) |
| 33 | Kinki Regional Championships 2014 | Osaka | 2014-10-10 | Controller (Junior ladies, Advanced novice boys, Advanced novice girls, Basic novice B boys)
|
| 34 | Japan Championships 2013 | Saitama | 2013-12-20 | Judge (Senior ladies) |
| 35 | Shu-Shikoku-Kyushu Regional Championships 2013 | Fukuoka | 2013-10-03 | Controller (Junior ladies, Advanced novice girls)
|
| 36 | Japan Championships 2012 | Sapporo | 2012-12-20 | Judge (Senior men) |
| 37 | Tohoku-Hokkaido Regional Championships 2012 | Hokkaido | 2012-10-12 | Referee (Junior ladies, Advanced novice girls)
|
| 38 | Japan Junior Championships 2011 | Hachinohe | 2011-11-25 | Judge (Junior men) |
| 39 | Kinki Regional Championships 2011 | Osaka | 2011-10-08 | Referee (Junior ladies, Advanced novice boys, Basic novice B boys, Basic novice B girls)
|
| 40 | Japan Junior Championships 2010 | Hitachinaka | 2010-11-26 | Judge (Junior men) |
| 41 | Japan Championships 2009 | Osaka | 2009-12-25 | Judge (Senior ladies) |
| 42 | Japan Championships 2008 | Nagano | 2008-12-25 | Judge (Senior men) |
| 43 | Japan Championships 2007 | Kadoma | 2007-12-26 | Judge (Senior ladies) |
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